balmet.com

bookmark.php (11713B)

---

 <?php
 /**
  * WordPress Bookmark Administration API
  *
  * @package WordPress
  * @subpackage Administration
  */
 
 /**
  * Add a link to using values provided in $_POST.
  *
  * @since 2.0.0
  *
  * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
  */
 function add_link() {
 	return edit_link();
 }
 
 /**
  * Updates or inserts a link using values provided in $_POST.
  *
  * @since 2.0.0
  *
  * @param int $link_id Optional. ID of the link to edit. Default 0.
  * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
  */
 function edit_link( $link_id = 0 ) {
 	if ( ! current_user_can( 'manage_links' ) ) {
 		wp_die(
 			'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
 			'<p>' . __( 'Sorry, you are not allowed to edit the links for this site.' ) . '</p>',
 			403
 		);
 	}
 
 	$_POST['link_url']   = esc_html( $_POST['link_url'] );
 	$_POST['link_url']   = esc_url( $_POST['link_url'] );
 	$_POST['link_name']  = esc_html( $_POST['link_name'] );
 	$_POST['link_image'] = esc_html( $_POST['link_image'] );
 	$_POST['link_rss']   = esc_url( $_POST['link_rss'] );
 	if ( ! isset( $_POST['link_visible'] ) || 'N' !== $_POST['link_visible'] ) {
 		$_POST['link_visible'] = 'Y';
 	}
 
 	if ( ! empty( $link_id ) ) {
 		$_POST['link_id'] = $link_id;
 		return wp_update_link( $_POST );
 	} else {
 		return wp_insert_link( $_POST );
 	}
 }
 
 /**
  * Retrieves the default link for editing.
  *
  * @since 2.0.0
  *
  * @return stdClass Default link object.
  */
 function get_default_link_to_edit() {
 	$link = new stdClass;
 	if ( isset( $_GET['linkurl'] ) ) {
 		$link->link_url = esc_url( wp_unslash( $_GET['linkurl'] ) );
 	} else {
 		$link->link_url = '';
 	}
 
 	if ( isset( $_GET['name'] ) ) {
 		$link->link_name = esc_attr( wp_unslash( $_GET['name'] ) );
 	} else {
 		$link->link_name = '';
 	}
 
 	$link->link_visible = 'Y';
 
 	return $link;
 }
 
 /**
  * Deletes a specified link from the database.
  *
  * @since 2.0.0
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param int $link_id ID of the link to delete
  * @return true Always true.
  */
 function wp_delete_link( $link_id ) {
 	global $wpdb;
 	/**
 	 * Fires before a link is deleted.
 	 *
 	 * @since 2.0.0
 	 *
 	 * @param int $link_id ID of the link to delete.
 	 */
 	do_action( 'delete_link', $link_id );
 
 	wp_delete_object_term_relationships( $link_id, 'link_category' );
 
 	$wpdb->delete( $wpdb->links, array( 'link_id' => $link_id ) );
 
 	/**
 	 * Fires after a link has been deleted.
 	 *
 	 * @since 2.2.0
 	 *
 	 * @param int $link_id ID of the deleted link.
 	 */
 	do_action( 'deleted_link', $link_id );
 
 	clean_bookmark_cache( $link_id );
 
 	return true;
 }
 
 /**
  * Retrieves the link category IDs associated with the link specified.
  *
  * @since 2.1.0
  *
  * @param int $link_id Link ID to look up.
  * @return int[] The IDs of the requested link's categories.
  */
 function wp_get_link_cats( $link_id = 0 ) {
 	$cats = wp_get_object_terms( $link_id, 'link_category', array( 'fields' => 'ids' ) );
 	return array_unique( $cats );
 }
 
 /**
  * Retrieves link data based on its ID.
  *
  * @since 2.0.0
  *
  * @param int|stdClass $link Link ID or object to retrieve.
  * @return object Link object for editing.
  */
 function get_link_to_edit( $link ) {
 	return get_bookmark( $link, OBJECT, 'edit' );
 }
 
 /**
  * Inserts a link into the database, or updates an existing link.
  *
  * Runs all the necessary sanitizing, provides default values if arguments are missing,
  * and finally saves the link.
  *
  * @since 2.0.0
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *
  * @param array $linkdata {
  *     Elements that make up the link to insert.
  *
  *     @type int    $link_id          Optional. The ID of the existing link if updating.
  *     @type string $link_url         The URL the link points to.
  *     @type string $link_name        The title of the link.
  *     @type string $link_image       Optional. A URL of an image.
  *     @type string $link_target      Optional. The target element for the anchor tag.
  *     @type string $link_description Optional. A short description of the link.
  *     @type string $link_visible     Optional. 'Y' means visible, anything else means not.
  *     @type int    $link_owner       Optional. A user ID.
  *     @type int    $link_rating      Optional. A rating for the link.
  *     @type string $link_updated     Optional. When the link was last updated.
  *     @type string $link_rel         Optional. A relationship of the link to you.
  *     @type string $link_notes       Optional. An extended description of or notes on the link.
  *     @type string $link_rss         Optional. A URL of an associated RSS feed.
  *     @type int    $link_category    Optional. The term ID of the link category.
  *                                    If empty, uses default link category.
  * }
  * @param bool  $wp_error Optional. Whether to return a WP_Error object on failure. Default false.
  * @return int|WP_Error Value 0 or WP_Error on failure. The link ID on success.
  */
 function wp_insert_link( $linkdata, $wp_error = false ) {
 	global $wpdb;
 
 	$defaults = array(
 		'link_id'     => 0,
 		'link_name'   => '',
 		'link_url'    => '',
 		'link_rating' => 0,
 	);
 
 	$parsed_args = wp_parse_args( $linkdata, $defaults );
 	$parsed_args = wp_unslash( sanitize_bookmark( $parsed_args, 'db' ) );
 
 	$link_id   = $parsed_args['link_id'];
 	$link_name = $parsed_args['link_name'];
 	$link_url  = $parsed_args['link_url'];
 
 	$update = false;
 	if ( ! empty( $link_id ) ) {
 		$update = true;
 	}
 
 	if ( '' === trim( $link_name ) ) {
 		if ( '' !== trim( $link_url ) ) {
 			$link_name = $link_url;
 		} else {
 			return 0;
 		}
 	}
 
 	if ( '' === trim( $link_url ) ) {
 		return 0;
 	}
 
 	$link_rating      = ( ! empty( $parsed_args['link_rating'] ) ) ? $parsed_args['link_rating'] : 0;
 	$link_image       = ( ! empty( $parsed_args['link_image'] ) ) ? $parsed_args['link_image'] : '';
 	$link_target      = ( ! empty( $parsed_args['link_target'] ) ) ? $parsed_args['link_target'] : '';
 	$link_visible     = ( ! empty( $parsed_args['link_visible'] ) ) ? $parsed_args['link_visible'] : 'Y';
 	$link_owner       = ( ! empty( $parsed_args['link_owner'] ) ) ? $parsed_args['link_owner'] : get_current_user_id();
 	$link_notes       = ( ! empty( $parsed_args['link_notes'] ) ) ? $parsed_args['link_notes'] : '';
 	$link_description = ( ! empty( $parsed_args['link_description'] ) ) ? $parsed_args['link_description'] : '';
 	$link_rss         = ( ! empty( $parsed_args['link_rss'] ) ) ? $parsed_args['link_rss'] : '';
 	$link_rel         = ( ! empty( $parsed_args['link_rel'] ) ) ? $parsed_args['link_rel'] : '';
 	$link_category    = ( ! empty( $parsed_args['link_category'] ) ) ? $parsed_args['link_category'] : array();
 
 	// Make sure we set a valid category.
 	if ( ! is_array( $link_category ) || 0 === count( $link_category ) ) {
 		$link_category = array( get_option( 'default_link_category' ) );
 	}
 
 	if ( $update ) {
 		if ( false === $wpdb->update( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ), compact( 'link_id' ) ) ) {
 			if ( $wp_error ) {
 				return new WP_Error( 'db_update_error', __( 'Could not update link in the database.' ), $wpdb->last_error );
 			} else {
 				return 0;
 			}
 		}
 	} else {
 		if ( false === $wpdb->insert( $wpdb->links, compact( 'link_url', 'link_name', 'link_image', 'link_target', 'link_description', 'link_visible', 'link_owner', 'link_rating', 'link_rel', 'link_notes', 'link_rss' ) ) ) {
 			if ( $wp_error ) {
 				return new WP_Error( 'db_insert_error', __( 'Could not insert link into the database.' ), $wpdb->last_error );
 			} else {
 				return 0;
 			}
 		}
 		$link_id = (int) $wpdb->insert_id;
 	}
 
 	wp_set_link_cats( $link_id, $link_category );
 
 	if ( $update ) {
 		/**
 		 * Fires after a link was updated in the database.
 		 *
 		 * @since 2.0.0
 		 *
 		 * @param int $link_id ID of the link that was updated.
 		 */
 		do_action( 'edit_link', $link_id );
 	} else {
 		/**
 		 * Fires after a link was added to the database.
 		 *
 		 * @since 2.0.0
 		 *
 		 * @param int $link_id ID of the link that was added.
 		 */
 		do_action( 'add_link', $link_id );
 	}
 	clean_bookmark_cache( $link_id );
 
 	return $link_id;
 }
 
 /**
  * Update link with the specified link categories.
  *
  * @since 2.1.0
  *
  * @param int   $link_id         ID of the link to update.
  * @param int[] $link_categories Array of link category IDs to add the link to.
  */
 function wp_set_link_cats( $link_id = 0, $link_categories = array() ) {
 	// If $link_categories isn't already an array, make it one:
 	if ( ! is_array( $link_categories ) || 0 === count( $link_categories ) ) {
 		$link_categories = array( get_option( 'default_link_category' ) );
 	}
 
 	$link_categories = array_map( 'intval', $link_categories );
 	$link_categories = array_unique( $link_categories );
 
 	wp_set_object_terms( $link_id, $link_categories, 'link_category' );
 
 	clean_bookmark_cache( $link_id );
 }
 
 /**
  * Updates a link in the database.
  *
  * @since 2.0.0
  *
  * @param array $linkdata Link data to update. See wp_insert_link() for accepted arguments.
  * @return int|WP_Error Value 0 or WP_Error on failure. The updated link ID on success.
  */
 function wp_update_link( $linkdata ) {
 	$link_id = (int) $linkdata['link_id'];
 
 	$link = get_bookmark( $link_id, ARRAY_A );
 
 	// Escape data pulled from DB.
 	$link = wp_slash( $link );
 
 	// Passed link category list overwrites existing category list if not empty.
 	if ( isset( $linkdata['link_category'] ) && is_array( $linkdata['link_category'] )
 		&& count( $linkdata['link_category'] ) > 0
 	) {
 		$link_cats = $linkdata['link_category'];
 	} else {
 		$link_cats = $link['link_category'];
 	}
 
 	// Merge old and new fields with new fields overwriting old ones.
 	$linkdata                  = array_merge( $link, $linkdata );
 	$linkdata['link_category'] = $link_cats;
 
 	return wp_insert_link( $linkdata );
 }
 
 /**
  * Outputs the 'disabled' message for the WordPress Link Manager.
  *
  * @since 3.5.0
  * @access private
  *
  * @global string $pagenow
  */
 function wp_link_manager_disabled_message() {
 	global $pagenow;
 
 	if ( ! in_array( $pagenow, array( 'link-manager.php', 'link-add.php', 'link.php' ), true ) ) {
 		return;
 	}
 
 	add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
 	$really_can_manage_links = current_user_can( 'manage_links' );
 	remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
 
 	if ( $really_can_manage_links ) {
 		$plugins = get_plugins();
 
 		if ( empty( $plugins['link-manager/link-manager.php'] ) ) {
 			if ( current_user_can( 'install_plugins' ) ) {
 				$install_url = wp_nonce_url(
 					self_admin_url( 'update.php?action=install-plugin&plugin=link-manager' ),
 					'install-plugin_link-manager'
 				);
 
 				wp_die(
 					sprintf(
 						/* translators: %s: A link to install the Link Manager plugin. */
 						__( 'If you are looking to use the link manager, please install the <a href="%s">Link Manager plugin</a>.' ),
 						esc_url( $install_url )
 					)
 				);
 			}
 		} elseif ( is_plugin_inactive( 'link-manager/link-manager.php' ) ) {
 			if ( current_user_can( 'activate_plugins' ) ) {
 				$activate_url = wp_nonce_url(
 					self_admin_url( 'plugins.php?action=activate&plugin=link-manager/link-manager.php' ),
 					'activate-plugin_link-manager/link-manager.php'
 				);
 
 				wp_die(
 					sprintf(
 						/* translators: %s: A link to activate the Link Manager plugin. */
 						__( 'Please activate the <a href="%s">Link Manager plugin</a> to use the link manager.' ),
 						esc_url( $activate_url )
 					)
 				);
 			}
 		}
 	}
 
 	wp_die( __( 'Sorry, you are not allowed to edit the links for this site.' ) );
 }